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There were 49.7 million people with some type of long-lasting condition or disability living in the...

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Basic Math

There were 49.7 million people with some type of long-lastingcondition or disability living in the United States in 2000. Thisrepresented 19.3 percent of the majority of civilians aged five andover (http://factfinder.census.gov). A sample of 1000 persons isselected at random. Use normal approximation. Round the answers tofour decimal places (e.g. 98.7654).

(a) Approximate the probability that more than 201 persons inthe sample have a disability. (answer is not .274) round 4 decimalplzzzzz on a and b

(b) Approximate the probability that between 180 and 300 peoplein the sample have a disability. (answer is not .860

Answer & Explanation Solved by verified expert
4.4 Ratings (1027 Votes)
Using Normal Approximation to Binomial Mean n P 1000 0193 193 Variance n P Q    See Answer
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